US2025128535A1PendingUtilityA1

Decorative Film and Method for Producing Same, Ink-Receiving Film, and Decorative Film Kit

Assignee: 3M INNOVATIVE PROPERTIES COMPANYPriority: Feb 24, 2022Filed: Feb 24, 2023Published: Apr 24, 2025
Est. expiryFeb 24, 2042(~15.6 yrs left)· nominal 20-yr term from priority
C08J 2375/04C08J 2371/00C08J 2369/00C08J 7/042B41M 2205/40B41M 2205/38B41M 7/0027B41M 5/506B41M 5/0047B41M 3/12B41M 5/508B41M 5/504B41M 5/5281B41M 5/52B44C 1/105C09J 2301/302C09J 2301/162C09J 7/385C09J 7/29
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Claims

Abstract

A decorative film of an embodiment includes a transparent surface layer including polycarbonate-based polyurethane, a transparent ink-receiving layer including polyether-based polyurethane, a printed layer disposed on the transparent ink-receiving layer, and a pressure-sensitive adhesive layer in this order.

Claims

exact text as granted — not AI-modified
1 . A decorative film comprising: a transparent surface layer including polycarbonate-based polyurethane; a transparent ink-receiving layer including polyether-based polyurethane; a printed layer disposed on the transparent ink-receiving layer; and a pressure-sensitive adhesive layer in this order. 
     
     
         2 . The decorative film according to  claim 1 , wherein the polyether-based polyurethane of the transparent ink-receiving layer is water-based polyether-based polyurethane. 
     
     
         3 . The decorative film according to  claim 1 , wherein the polycarbonate-based polyurethane of the transparent surface layer has an alicyclic structure. 
     
     
         4 . The decorative film according to  claim 1 , wherein the printed layer is an inkjet printed layer. 
     
     
         5 . The decorative film according to  claim 1 , wherein the pressure-sensitive adhesive layer contains a white colorant. 
     
     
         6 . The decorative film according to  claim 1 , wherein the pressure-sensitive adhesive layer is an acrylic pressure-sensitive adhesive layer. 
     
     
         7 . The decorative film according to  claim 1 , further comprising a transparent pressure-sensitive adhesive layer between the transparent surface layer and the transparent ink-receiving layer. 
     
     
         8 . An ink-receiving film comprising: a support film; a transparent surface layer including polycarbonate-based polyurethane, and a transparent ink-receiving layer including polyether-based polyurethane in this order. 
     
     
         9 . The ink-receiving film according to  claim 8 , wherein the polyether-based polyurethane of the transparent ink-receiving layer is water-based polyether-based polyurethane. 
     
     
         10 . The ink-receiving film according to  claim 8 , wherein the polycarbonate-based polyurethane of the transparent surface layer has an alicyclic structure. 
     
     
         11 . A method for producing a decorative film, the method comprising:
 preparing an ink-receiving film including a support film, a transparent surface layer including polycarbonate-based polyurethane, and a transparent ink-receiving layer including polyether-based polyurethane in this order;   preparing a pressure-sensitive adhesive film including a pressure-sensitive adhesive layer and a release liner;   printing an ink on the transparent ink-receiving layer to form a printed layer;   laminating the ink-receiving film and the pressure-sensitive adhesive film to bring the printed layer and the pressure-sensitive adhesive layer into contact with each other; and   removing the support film to form a decorative film.   
     
     
         12 . The method according to  claim 11 , wherein the polyether-based polyurethane of the transparent ink-receiving layer is water-based polyether-based polyurethane. 
     
     
         13 . The method according to  claim 12 , wherein the ink is a solvent-based ink. 
     
     
         14 . The method according to  claim 11 , wherein the polycarbonate-based polyurethane of the transparent surface layer has an alicyclic structure. 
     
     
         15 . A decorative film kit comprising:
 an ink-receiving film including a support film, a transparent surface layer including polycarbonate-based polyurethane, and a transparent ink-receiving layer including polyether-based polyurethane in this order; and   a pressure-sensitive adhesive film including a pressure-sensitive adhesive layer and a release liner.   
     
     
         16 . The decorative film kit according to  claim 15 , wherein the polyether-based polyurethane of the transparent ink-receiving layer is a water-based polyether-based polyurethane. 
     
     
         17 . The decorative film kit according to  claim 15 , wherein the polycarbonate-based polyurethane of the transparent surface layer has an alicyclic structure.

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